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Oracle Solaris Cluster System Administration Guide     Oracle Solaris Cluster 4.0
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Document Information


1.  Introduction to Administering Oracle Solaris Cluster

2.  Oracle Solaris Cluster and RBAC

3.  Shutting Down and Booting a Cluster

4.  Data Replication Approaches

Understanding Data Replication

Supported Data Replication Methods

5.  Administering Global Devices, Disk-Path Monitoring, and Cluster File Systems

6.  Administering Quorum

7.  Administering Cluster Interconnects and Public Networks

8.  Adding and Removing a Node

9.  Administering the Cluster

10.  Configuring Control of CPU Usage

11.  Updating Your Software

12.  Backing Up and Restoring a Cluster

A.  Example


Chapter 4

Data Replication Approaches

This chapter describes data replication technologies you can use with Oracle Solaris Cluster software. Data replication is defined as copying data from a primary storage device to a backup or secondary device. If the primary device fails, your data is available from the secondary device. Data replication helps assure high availability and disaster tolerance for your cluster.

Oracle Solaris Cluster software supports the following types of data replication:

To perform data replication, you must have a device group that has the same name as the object you are replicating. A device can belong to only one device group at a time, so if you already have an Oracle Solaris Cluster device group that contains the device, you must delete the group before you add that device to a new device group. For instructions on creating and managing Solaris Volume Manager, ZFS, or raw-disk device groups, see Administering Device Groups in Chapter 5.

This chapter contains the following section: